Read More Button nach Excerpt einfügen

functions.php

<?php
/**
 * Add Read More button to excerpts
 *
 * @param string $more_text Excerpt More Text.
 * @return string
 */
function themeslug_excerpt_more( $more_text ) {

  return '<a href="' . esc_url( get_permalink() ) . '" class="more-link">' . esc_html__( 'Continue reading', 'themeslug' ) . '</a>';

}
add_filter( 'excerpt_more', 'themeslug_excerpt_more' );